> the two groups you name are not coherent classes
Sure, they are. "tech workers" tend to work in tech companies. "everyone else" tend not to work in tech companies. It's quite coherent. Are there exceptions? Of course. Does the presence of exceptions mean the classes are incoherent? Of course not.
Sure, they are. "tech workers" tend to work in tech companies. "everyone else" tend not to work in tech companies. It's quite coherent. Are there exceptions? Of course. Does the presence of exceptions mean the classes are incoherent? Of course not.